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Bonded whitetopping uses thicknesses of 5 to 15cm (2-6") bonded to the asphalt pavement and is divided into two types, thin and ultrathin. The bond is made by texturing the asphalt. Thin whitetopping uses a bonded layer of concrete that is 10 - 15cm (4-6") thick while an ultrathin layer is 5 to 10 cm (2-4") thick.
The result was a thin cementitious topping material that would adhere to concrete surfaces and provide a newly resurfaced coating to restore the worn surface. Concrete overlays lacked the long-term performance [5] characteristics of acrylic resins. Acrylic resins provided good UV resistance, but lacked long term water resistance and adhesion ...
In the category of self-leveling concrete there are two main groups of materials: underlayments and toppings. An underlayment is installed over an existing subfloor to smooth it out and correct any surface irregularities prior to the installation of all types of floor coverings, including sheet vinyl, vinyl composition tile (VCT), wood, ceramic tile and carpet.
Micro milling can be used either as the final surface [13] or as a treatment before applying a thin overlay. [12] Micro milling can be used to remove many of the same distresses that standard milling can remove, although usually to a shallower depth. [13] A micro milled surface has a uniform finish with reduced road noise compared to standard ...
Composite pavements combine a Portland cement concrete sublayer with an asphalt overlay. They are usually used to rehabilitate existing roadways rather than in new construction. Asphalt overlays are sometimes laid over distressed concrete to restore a smooth wearing surface. [31]
Chip seal products can be installed over gravel roads to eliminate the cost of grading, road roughness, dust, mud, and the cost of adding gravel lost from grading. Adding chip seal over gravel is about 25% of the price of resurfacing with asphalt, $170,000 for a 4-mile project done in Minnesota [6] compared to $760,000 had it been redone with ...